According to appendix 1 of Cihai of Traditional Chinese Medicine and appendix 2 of Dictionary of Traditional Chinese Medicine, the synonyms of Aster are: Penglai grass and goose velvet vine, which are commonly used in Kunming and are medicinal plants; Appendix 3 of acute toxicity test of Penglai grass in mice and Appendix 4 of micronucleus test of polychromatic erythrocytes in mouse bone marrow were confirmed as safe medicinal plants.
Experiments by authoritative drug research institutions have confirmed that Penglai grass can improve the permeability of human cells, make drugs penetrate cell membranes, facilitate absorption and act on human bodies quickly. In clinical use, it is also found that adding Penglai grass to the prescription for treating other diseases can significantly improve the clinical efficacy of the original prescription. This is also the reason why Penglai grass and its prescription take effect quickly.
During taking Penglai grass, patients should avoid seafood, fish, wine, eggs and spicy food. In addition to the above contraindications, patients with cholecystitis should also abstain from greasy food during taking it. The best time to take Penglai grass is before and after meals 1 hour. After taking a course of treatment, patients with acute and chronic prostatitis and prostatic hyperplasia will abstain from high-concentration alcoholic beverages within the next month.